blob: fa1ca35b91825b56765326cae5f6fbfc8e13b0ba [file] [log] [blame]
/*
* Copyright (C) 2014 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "GCActivityCallback.h"
namespace JSC {
class JS_EXPORT_PRIVATE FullGCActivityCallback final : public GCActivityCallback {
public:
FullGCActivityCallback(Heap*);
void doCollection(VM&) final;
bool didGCRecently() const { return m_didGCRecently; }
void setDidGCRecently() { m_didGCRecently = true; }
private:
Seconds lastGCLength(Heap&) final;
double gcTimeSlice(size_t bytes) final;
double deathRate(Heap&) final;
bool m_didGCRecently { false };
};
inline RefPtr<FullGCActivityCallback> GCActivityCallback::tryCreateFullTimer(Heap* heap)
{
return s_shouldCreateGCTimer ? adoptRef(new FullGCActivityCallback(heap)) : nullptr;
}
} // namespace JSC